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10140280 = 235253507
BaseRepresentation
bin100110101011…
…101001111000
3201002011211221
4212223221320
510043442110
61001201424
7152122333
oct46535170
921064757
1010140280
1157a65a7
123490274
132140687
1414bd61a
15d547da
hex9aba78

10140280 has 16 divisors (see below), whose sum is σ = 22815720. Its totient is φ = 4056096.

The previous prime is 10140259. The next prime is 10140289. The reversal of 10140280 is 8204101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126714 + ... + 126793.

Almost surely, 210140280 is an apocalyptic number.

10140280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10140280 is an abundant number, since it is smaller than the sum of its proper divisors (12675440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10140280 is a wasteful number, since it uses less digits than its factorization.

10140280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253518 (or 253514 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 10140280 is about 3184.3806305151. The cubic root of 10140280 is about 216.4462083699.

Adding to 10140280 its reverse (8204101), we get a palindrome (18344381).

The spelling of 10140280 in words is "ten million, one hundred forty thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 253507 507014 1014028 1267535 2028056 2535070 5070140 10140280